题目内容
（请给出正确答案）
This bar chart shows the heights of a class of pupils. Which statement must be true？
A．2 children are 125 cm tall or less.
B．8 children are at least 140 cm tall, but less than 145 cm tall.
C．8 children are more than 144 cm tall, but less than 150cm tall.
D．No children are taller than 158 cm.
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更多“This bar chart shows the heigh…”相关的问题
Americans with small families own a small car or a large one. If both parents are working, they usually have two cars. When the family is large, one of the cars is sold and they will buy a van. A small car can hold four persons and a large car can hold six persons but it is very crowded. A van holds seven persons easily, so a family with three children could ask their grandparents to go on a holiday travel. They could all travel together. Mr. Hagen and his wife had a third child last year. This made them sell a second car and buy a van. Their children’s sixth and seventh seats are used to put other things, for a family of five must carry many suitcases when they travel. When they arrive at their grandparents’ home, the suitcases are brought into the two seats which can then carry the grandparents. Americans call van motor homes. A motor home is always used for holidays. When a family is traveling to the mountains or to the seaside, they can live in their motor home for a few days or to the seaside, they can live in their motor home for a few days or weeks. All the members of a big family can enjoy a happier life when they are traveling together. That is why motor homes have become very popular. In America there are many parks for motor homes. After Mr. Hagen and his wife sold their second car, they .
A、sold their old house
B、moved to their grandparents’ house
C、built a new place for a van
D、bought a van
A、Decoder 译码器
B、Encode 编码器
C、Multiplexer 多路复用器
D、Full adder 全加器
A、attention
B、inform
C、be informed
D、note
A、differences between the bounaries of the class.
B、number of observations in each class.
C、midpont of each class.
D、percentage of observations in each class.
A、The horizontal axis.
B、The vertical axis.
C、Both the horizontal axis and vertical axis.
D、Neither the horizontal nor the vertical axis.
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